step1: 下载MYSQL RPM包
wget https://dev.mysql.com/get/mysql80-community-release-el7-11.noarch.rpmstep2:安装MySQL Yum Repository
sudo rpm -Uvh mysql80-community-release-el7-11.noarch.rpmstep3:安装MySQL Server
sudo yum install mysql-community-serverstep4:启动MySQL服务
sudo systemctl start mysqldstep5:设置开机启动
sudo systemctl enable mysqldDONE 完成安装!!!